package cn.tedu.boot04.controller;

import cn.tedu.boot04.entity.Product;
import cn.tedu.boot04.mapper.ProductMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController
public class ProductController {
    @Autowired
    ProductMapper mapper;
    @RequestMapping("/insert")
    public String insert(Product product){
        mapper.insert(product);
        return "添加完成!<a href='/'>返回首页</a>";
    }
   @RequestMapping("/select")
    public String select(){
       List<Product> list=mapper.select();
       String html ="<table border='1'>";
       html+="<caption>商品列表</caption>";
       html+="<tr><th>id</th><th>商品标题</th><th>价格</th><th>库存</th><th>操作<th></tr>";
       for (Product p:list){
           html+="<tr>";
           html+="<td>"+p.getId()+"</td>";
           html+="<td>"+p.getTitle()+"</td>";
           html+="<td>"+p.getPrice()+"</td>";
           html+="<td>"+p.getNum()+"</td>";
           html+="<td><a href='/delete?id="+p.getId()+"'>删除</a></td>";
           html+="</tr>";
       }
       html+="</table>";
       return html;
   }
   @RequestMapping("/delete")
    public String delete(int id){
        mapper.delete(id);
        return "删除完成!<a href='/select'>返回商品列表</a>";
   }
   @RequestMapping("/update")
    public String update(Product product){
        mapper.update(product);
        return "修改完成!<a href='/select'>返回商品列表</a>";
   }













}
